The difference between a trend study and a cohort study is that a cohort study obtains data from:
A) the same sample at different points in time
B) different samples from the same specific population
C) different samples from a population whose members change somewhat
D) an entire population at different points in time

Question

Quizplus · Accepted Answer

A cohort study specifically focuses on a particular group (cohort) that shares a defining characteristic, typically following them over a period to observe outcomes, whereas a trend study might involve different samples from the same population to observe changes over time.

The Difference Between a Trend Study and a Cohort Study